0-9 | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
1. In communications, the frequency spectrum between two defined limits. (188) 2. A group of tracks on a magnetic drum or on one side of a magnetic disk. 3. A set of frequencies authorized for use in a geographical area defined for common carriers for purposes of communications system management.